87478320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 272170080

約数和(自身を除く): 184691760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 937, 1167, 1556, 1874, 1945, 2334, 2811, 3112, 3748, 3890, 4668, 4685, 5622, 5835, 6224, 7496, 7780, 9336, 9370, 11244, 11670, 14055, 14992, 15560, 18672, 18740, 22488, 23340, 28110, 31120, 37480, 44976, 46680, 56220, 74960, 93360, 112440, 224880, 364493, 728986, 1093479, 1457972, 1822465, 2186958, 2915944, 3644930, 4373916, 5467395, 5831888, 7289860, 8747832, 10934790, 14579720, 17495664, 21869580, 29159440, 43739160, 87478320]

約数ペア:

[(1, 87478320), (2, 43739160), (3, 29159440), (4, 21869580), (5, 17495664), (6, 14579720), (8, 10934790), (10, 8747832), (12, 7289860), (15, 5831888), (16, 5467395), (20, 4373916), (24, 3644930), (30, 2915944), (40, 2186958), (48, 1822465), (60, 1457972), (80, 1093479), (120, 728986), (240, 364493), (389, 224880), (778, 112440), (937, 93360), (1167, 74960), (1556, 56220), (1874, 46680), (1945, 44976), (2334, 37480), (2811, 31120), (3112, 28110), (3748, 23340), (3890, 22488), (4668, 18740), (4685, 18672), (5622, 15560), (5835, 14992), (6224, 14055), (7496, 11670), (7780, 11244), (9336, 9370)]